SolarCity revealed in a recent SEC filling that the company expects SpaceX, Elon Musk’s rocket company, to buy $75 million in “SolarBonds”. Earlier this year, SpaceX already purchased $90 million in solar-backed bonds from SolarCity, just 2 months after the aerospace company landed a $1 billion equity deal with Google and Fidelity. If this second purchase goes through, SpaceX will be holding $165 million in SolarCity debt backed by solar assets. expand full story